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Dust-tail activity of Comet Hale-Bopp (June 15 - 18, 1996)
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Daily changes in dust release are visible on three CCD images, obtained with 2.8/180mm lens and dust continuum filter, centered at 647nm (FWHM=10nm).
The left image (10-min exposure taken on June 15.017UT) shows 1.3 deg dust tail (about 146 million km) which became diminished on the middle frame
(20-min exposure taken on June 16.031UT) and almost vanished on the right frame (10-min exposure taken on June 17.999UT). Times are given for the
center of exposure. Each frame's field of view is 1.7x2.0 deg. Histogramic equalization was used in order to bring out the dust tail extension.
(Size 235K)
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June 17, 1996
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Wide-field false color image of comet Hale-Bopp, taken on 1996 June 17.979UT (start) with the 2.8/180mm lens, V-filter and CCD.
Exposure time was 5 minutes. The frame field of view is 3.8x2.5 deg.
(Size 188K)
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June 16, 1996
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Wide-field false color image of comet Hale-Bopp, taken on 1996 June 16.056UT (center) with the 2.8/180mm lens, V-filter and Wright CCD.
Exposure time was 3 minutes. The frame field of view is 3.8x2.5 deg.
(Size 188K)
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White-black version of the previous image.
(Size 135K)
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June 14, 1996
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Narrow-band CCD image of comet Hale-Bopp, taken on 1996 June 14.968UT with the 36-cm, f/6.8 S-C telescope and H2O+ filter, centered at 620nm (FWHM=10nm).
Exposure time was 5 min. The frame field of view is 17'x11'.
(Size 123K)
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Narrow-band CCD image of comet Hale-Bopp, taken on 1996 June 14.963UT with the 36-cm, f/6.8 S-C telescope and dust continuum filter, centered at 647nm (FWHM=10nm).
Exposure time was 5 min. The frame field of view is 17'x11'.
(Size 128K)
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False-color CCD image of comet Hale-Bopp, taken on 1996 June 14.972UT with the 36-cm, f/6.8 S-C telescope and V- filter.
Exposure time was 5 min. The frame field of view is 17'x11'.
(Size 127K)
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False-color CCD image of comet Hale-Bopp, taken on 1996 June 14.926UT (center), with the 20-cm, f/2 Baker-Schmidt camera, ST-6 CCD and V filter.
Exposure time was 180 sec. The frame field of view is 1.2x0.9 deg.
(Size 68K)
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June 7, 1996
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False color image of comet Hale-Bopp, taken on 1996 June 7.960UT (center) with the 36-cm, f/6.8 S-C telescope, V-filter and Wright CCD. Exposure time was 5 min.
Logarithmic display was used for better reproduction of inner coma details.The frame field of view is 17'x11'.
(Size 89K)
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White-black version of the previous image.
(Size 65K)
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False-color CCD image of comet Hale-Bopp, taken on 1996 June 7.967UT (start), with the 20-cm, f/2 Baker-Schmidt camera, ST-6 CCD and V- filter.
Exposure time was 5 minutes. The frame field of view is 1.2x0.9 deg.
(Size 77K)
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